Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713708 | Portable drawn arc stud welding apparatus and method providing high current output in short time intervals | — | 2004-03-30 |
| 5484978 | Destruction of hydrocarbon materials | Ellen E. Knights | 1996-01-16 |